<!DOCTYPE html>
<!--
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        $woca1="";
        $woca2="";
        $woca3="";
        $woca4="";
        $cj=80;
        if ($cj>=90 && $cj<=100)  $woca1='优秀<img src="xiao.jpg" width="100" height="100" alt=""/><img src="xiao.jpg" width="100" height="100" alt=""/><img src="xiao.jpg" width="100" height="100" alt=""/>';
        elseif ($cj>=80 && $cj<90)  $woca2='良好<img src="xiao.jpg" width="100" height="100" alt=""/><img src="xiao.jpg" width="100" height="100" alt=""/>';
        elseif ($cj>=60 && $cj<80) $woca3='及格<img src="xiao.jpg" width="100" height="100" alt=""/>';
        elseif ($cj>=0 && $cj<60) $woca4='不及格<img src="ku.jpg" width="150" height="100" alt=""/>'; 
        ?>
       <table width="200" border="1">
  <tbody>
    <tr>
      <th scope="col">成绩</th>
      <th scope="col">分数</th>
      <th scope="col">评价</th>
    </tr>
    <tr>
      <td>优秀</td>
      <td>90-100</td>
      <td><?php echo $woca1 ?></td>
    </tr>
    <tr>
      <td>良好</td>
      <td>80-89</td>
      <td><?php echo $woca2 ?></td>
    </tr>
    <tr>
      <td>及格</td>
      <td>60-79</td>
      <td><?php echo $woca3 ?></td>
    </tr>
    <tr>
      <td>不及格</td>
      <td>0-59</td>
      <td><?php echo $woca4 ?></td>
    </tr>
  </tbody>
</table>      
    </body>
</html>